l1 = [73720,  3640, 35358, 47069, 51024, 33845, 26808,  8012, 32125, 34163,
        12354, 26874, 63858, 12754, 55761, 29399, 63300, 32196, 38202, 61108,
        53642, 13326,  2767, 61650, 48851, 30315, 16849, 28397, 18432, 69254,
        25381,  4596]

print([l1[i:i+4] for i in [3,6,2,4]])